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Presenter: Curran E. Mohney, RG, CEG

Seminar Date:

Seminar Location: Online

Register Now * Coordinator Registration Not Available.


Day 1, Wednesday, July 22, 2020
11:00 am - 3:30 pm CDT (incl. 30-min. break)

Slope Mechanics and Movement

   Types of slope movement and instability
      • Rock-fall and rockslides
      • Translational and rotational failures
      • Debris flows and rapidly moving landslides
   Analyzing the stability of slopes
   Slope stability concepts
      • Reviewing geologic conditions
      • Examining soils and topography
      • Evaluating surface and groundwater conditions
   A brief discussion of soil and rock mechanics
      • The influence of water
   Evaluating types of slopes
      • Natural slopes
      • Engineered slopes
   Methods of slope stability analysis

Slope Stabilization Methods

   Use of vegetation (bioengineering)
   Surface protection
   Installing earth retention structures
   Rock slope stabilization

Day 2, Thursday, July 23, 2020
11:00 am - 2:30 pm CDT (incl. 30-min. break)

Slope Stabilization Methods

   Combining methods

Landslide Hazard and Risk Assessment

   Definitions and elements of landslide hazard risk
   Risk-reduction strategies (objectives for landslide mitigation)
   Lifecycle cost analysis

Case Histories in Landslide Mitigation

   Slope stabilization using retaining walls
   Slope stabilization using geosynthetics
   Slope stabilization using combinations of methods
   Rockfall mitigation
   Slope stabilization using earthworks
      • Shear keys and buttresses
      • Unloading
   Slope stabilization using drainage

Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion will be provided for each webinar attended and will be sent via email in PDF form about five business days after the conclusion of the series.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements: 
Windows 7 - 10 or Mac OSX Mavericks (10.9) - macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection:
 Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at www.gotowebinar.com.

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Landscape Architects
  • Floodplain Managers

     7.0 PDHs

     7.0 CE Hours
     7.0 AIA LU|HSW

Landscape Architects:
     7.0 HSW CE Hours
     7.0 LA/CES HSW PDHs Pending

Floodplain Managers:
     ASFPM Credit Pending

Continuing Education Credit Information

HalfMoon Education Certifying Entities:
   American Institute of Architects Continuing Education System (No. J885)
   International Code Council (No. 1232)
   Landscape Architect Continuing Education System
   American Institute of Certified Planners (APA)
   Boards of Engineering: Florida (No. 0004647), Indiana (License No. CE21700059),
     Maryland, New Jersey (Approval No. 24GP00000700), North Carolina (No. S-0130),
     and North Dakota.
   Course-by-Course Providers: Association of State Floodplain Managers

HalfMoon Education is deemed a New York-approved continuing education provider for engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i) (2)). NY landscape architects: §79-1.5(i)(2).


Curran E. Mohney, RG, CEG

Engineering Geologist

Mr. Mohney is the Engineering Geology Program leader for the Oregon Department of Transportation (ODOT). The Engineering Geology Program at ODOT encompasses site characterization, subsurface exploration, slopes and embankments, geologic hazards, groundwater, geotechnical instrumentation, and planning and research activities. In this role, he also oversees the Unstable Slopes (landslide/rockfall) Program for ODOT. He is a registered geologist and a certified engineering geologist in Oregon with over 25 years of experience in Oregon and the western states. Mr. Mohney has been the Engineering Geology Program leader since 2004. Prior to this, he had been a staff and project-level geologist for consulting firms and the mining industry as well as for ODOT. He is a graduate of the Geology Program at Portland State University. During his professional career, Mr. Mohney has been involved in the investigation, design, and mitigation of hundreds of landslides and rockfalls.

Tuition Costs:

Standard Tuition: $299.00
Online Tuition (pre-registration): $299.00
Group Prices
3 or more people each: $199.00

Each registration includes one copy of a manual prepared by the seminar speakers.

AIA Info:

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Slope Stabilization and Landslide Prevention

Delivery Method: Live

Course Description: This live webinar presentation examines slope mechanics and movement, slope stabilization methods, landslide hazards and risk assessment, and case histories of landslide mitigation.

Learning Objectives:

Learning Objective 1:
Learners will be able to identify and describe the types of slope movement and instability and discuss the influence of water in soil and rock mechanics.

Learning Objective 2:
Learners will be able to distinguish between natural slopes and engineered slopes and explain how geological conditions, soil types and topography, along with surface and groundwater conditions affects slope stability, all of which need to be evaluated for site development.

Learning Objective 3:
Learners will be able to describe how discuss how the stability of slopes is analyzed and how that information is used to determine which stabilization method is appropriate prior to development.

Learning Objective 4:
Learners will be able to identify the elements of landslide risk and the strategies used for landslide mitigation to reduce risk to property and human safety.

LUs: 7.0                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity with earthwork and and building site development

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 06/01/2023

Complaint Resolution Policy:

Complaints regarding this course can be emailed to doug@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.